155323260 has 36 divisors (see below), whose sum is σ = 471147768. Its totient is φ = 41419488.

The previous prime is 155323249. The next prime is 155323261. The reversal of 155323260 is 62323551.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155323261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431274 + ... + 431633.

It is an arithmetic number, because the mean of its divisors is an integer number (13087438).

Almost surely, 2^155323260 is an apocalyptic number.

155323260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155323260 is an abundant number, since it is smaller than the sum of its proper divisors (315824508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155323260 is a wasteful number, since it uses less digits than its factorization.

155323260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862922 (or 862917 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 155323260 is about 12462.8752701774. The cubic root of 155323260 is about 537.5417065168.

The spelling of 155323260 in words is "one hundred fifty-five million, three hundred twenty-three thousand, two hundred sixty".